element-hq / element-hq/element-android

Vertical video calls are distorted on some devices

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Kotlin
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Description

During video calls between element-web and element-android users, the element-web user will see an extremely distorted picture if the element-android's device is oriented vertically.

If the android user rotates their phone horizontally, the distortion goes away.

This behavior has been tested on five phones:
1. Pixel 3a with stock Android 11: DISTORTED
2. Pixel 3 with CalyxOS Android 11: DISTORTED
3. Pixel 4a with stock Android 11: Not distorted
4. Google Pixel (gen1) with stock Android 10: Not distorted
5. Unihertz Jelly2 with stock Android 10: Not distorted

Testing was performed with a combination of accounts, homed to matrix.org and mssj.me. mssj.me is currently running Synapse 1.29.0. Android apps were installed from either the Google Play store or F-Droid, and are up to date with their respective repositories.

an example of the distortion when video is in vertical mode:
![Screenshot_20210319102148](https://user-images.githubusercontent.com/8409433/111821479-f108de80-889f-11eb-81c1-377233fef4c0.png)

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